Answers

Add 20/63 and 40/9

1^st number: 20/63, 2^nd number: 4 4/9

20/63 + 40/9 is 100/21.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 9 is 63
   
   Next, find the equivalent fraction of both fractional numbers with denominator 63
2. For the 1st fraction, since 63 × 1 = 63,
   20/63 = 20 × 1/63 × 1 = 20/63
3. Likewise, for the 2nd fraction, since 9 × 7 = 63,
   40/9 = 40 × 7/9 × 7 = 280/63
4. Add the two like fractions:
   20/63 + 280/63 = 20 + 280/63 = 300/63
5. 300/63 simplified gives 100/21
6. So, 20/63 + 40/9 = 100/21
   In mixed form: 416/21

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